/****************************************************************************
**
** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (developer.feedback@nokia.com)
**
** This file is part of the HbCore module of the UI Extensions for Mobile.
**
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at developer.feedback@nokia.com.
**
****************************************************************************/

#ifndef HBVGIMAGEICONRENDERER_P_H
#define HBVGIMAGEICONRENDERER_P_H

#include <hbglobal.h>
#include <VG/openvg.h>
#include <QIcon>
#include <QColor>
#include <QPaintEngine>
#include <QPaintDevice>

class HbEglStates;
class HbIconImpl;

class HB_CORE_PRIVATE_EXPORT HbVgImageIconRenderer
{
public:

    typedef VGImage(*VgImageCreator)(HbIconImpl *impl, QPainter *painter);

    HbVgImageIconRenderer(VGImage img, const QSize &size, HbIconImpl *impl);

    ~HbVgImageIconRenderer();

    void setColor(const QColor &color) {
        this->iconColor = color;
    }

    void setMode(QIcon::Mode mode) {
        this->iconMode = mode;
    }

    QColor color() {
        return iconColor;
    }

    QIcon::Mode mode() {
        return iconMode;
    }

    void setVgImageCreator(VgImageCreator vgCreator) {
        vgImageCreator =  vgCreator;
    }

    VGImage image() const {
        return vgImage;
    }
    
    bool draw(QPainter *painter, const QPointF &topLeft, const QPainterPath &clipPath);

    static VGImage disabledImage(VGImage originalImage, const QSize &size);

private:
    void applyIconProperties();
    void updatePainterTransformation(QPainter *painter, const QPointF &pos);

    VGImage vgImage;
    QColor iconColor;
    QIcon::Mode iconMode;
    bool specialCaseApplied;
    QSize   rendersize;
    VGPaint opacityPaint;
    qreal   lastOpacity;
    HbIconImpl *iconImpl;
    VgImageCreator vgImageCreator;
};

#endif
